In Niabi's class, 20 out of 25 students are involved in after school activities. Based on this information, which is the best prediction of the number of students in a group of 400 that would probably be involved in after school activities.

goog may have it for you

42.4 6th grade students prefer hip hop

step-by-step explanation:

40 percent of 106 = 42.4

if y=4x then you will substitute 4x in for y in the second equation.

8x + 4x = 18 combine like terms

12x = 18 divide by 12 on both sides

x = 18/12 or 3/2

now replace x in the first equation with 3/2 to get

y = 4 3/2

y = 6

the answer is a

(3/2,6)

hope that .

brainliest is always apprectiated